The "falling asleep" and assumption of the Virgin Mary into heaven. Preceded by a two-week fast, this feast on August 15th celebrates Mary's death and her bodily assumption. Orthodox theology teaches that Mary experienced death but was immediately raised and taken to heaven, where she intercedes for all Christians.

The central worship service of the Orthodox Church, celebrating the Eucharist (Holy Communion). Usually celebrated on Sundays and feast days, the Divine Liturgy consists of the Liturgy of the Word (scripture readings) and Liturgy of the Faithful (Eucharistic prayer and communion). The most common forms are the Liturgies of St. John Chrysostom and St. Basil the Great.

The revelation of Christ's divine glory to Peter, James, and John on Mount Tabor. Christ appeared in brilliant light alongside Moses and Elijah, and the Father's voice proclaimed "This is My beloved Son." Grapes and other fruits are traditionally blessed on this feast, celebrated on August 6th.